Home / 145,073,219.20-217,609,828.80-101,991,068.80

Finding the Fourth Proportional to 145,073,219.20, 217,609,828.80 and 101,991,068.80

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Solution

The fourth proportional to 145,073,219.20, 217,609,828.80 and 101,991,068.80 is: 152,986,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073,219.20 : 217,609,828.80 = 101,991,068.80 : x
  2. Step 2: Convert to fraction form
    145,073,219.20/217,609,828.80 = 101,991,068.80/x
  3. Step 3: Cross multiply
    145,073,219.20x = 217,609,828.80 × 101,991,068.80
  4. Step 4: Simplify right side
    145,073,219.20x = 22,194,259,020,697,024
  5. Step 5: Solve for x
    x = 22,194,259,020,697,024/145,073,219.20
  6. Step 6: Final answer
    x = 152,986,603.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.